correspondence
n. 信件,信函;通信;相似,关联
/n.函授 principle//n.对 school//n.函授/n.相应,通信,信件/纬
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n. 信件,信函;通信;相似,关联
/n.函授 principle//n.对 school//n.函授/n.相应,通信,信件/纬
anisotropic blunderingly electrocution lacker leatherworker moonset